oj.uz

Submission #489666

# Submission time Handle Problem Language Result Execution time Memory
489666 2021-11-23T18:17:44 Z inksamurai Vepar (COCI21_vepar) C++17
0 / 70
 857 ms 91096 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _3oIUrY0 ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;

const int _n=1e7+10;
int a[_n],b[_n];
bool sv[_n];

int main(){
_3oIUrY0;
	for(int i=2;i<=_n;i++){
		if(sv[i]) continue;
		for(int j=2*i;j<=_n;j+=i){
			if(sv[j]==0) sv[j]=i;
		}
	}
	vi prms;
	for(int i=2;i<=_n;i++){
		if(!sv[i]){
			prms.pb(i);
		}
	}
	auto f=[&](int prm,int n)->int{
		if(prm>n) return 0;
		int x=prm;
		vi rbts;
		while(x<=n){
			rbts.pb(x);
			x*=prm;
		}
		int _sum=0,now=0;
		drep(i,sz(rbts)){
			x=rbts[i];
			now+=((n/x)-_sum)*(i+1);
			_sum+=((n/x)-_sum);
		}
		return now;
	};
	int t;
	cin>>t;
	rep(cs,t){
		int _a,_b,_c,_d;
		cin>>_a>>_b>>_c>>_d;
		for(auto prm : prms){
			b[prm]+=f(prm,_b);
			b[prm]-=f(prm,_a-1);
			a[prm]+=f(prm,_d);
			a[prm]-=f(prm,_c-1);
		}
		bool pok=1;
		for(auto prm : prms){
			if(b[prm]>a[prm]){
				// cout<<a[prm]<<"\n";
				pok=0;
				break;
			}
			a[prm]=b[prm]=0;
		}
		cout<<(pok?"DA":"NE")<<"\n";
	}
//	
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:25:10: warning: iteration 10000008 invokes undefined behavior [-Waggressive-loop-optimizations]
   25 |   if(sv[i]) continue;
      |      ~~~~^
Main.cpp:24:15: note: within this loop
   24 |  for(int i=2;i<=_n;i++){
      |              ~^~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 288 ms 91012 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 281 ms 91084 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 271 ms 91056 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 492 ms 91096 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 855 ms 91036 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 857 ms 91088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 833 ms 91080 KB Output isn't correct
2 Halted 0 ms 0 KB -